Question

My view controller is getting a little large for me. I’m implementing five delegate protocols and was about to add a sixth.

ABCViewController : UITableViewController<NSFetchedResultsControllerDelegate,
                                          UITableViewDelegate,
                                          UITableViewDataSource,
                                          UIAlertViewDelegate,
                                          CLLocationManagerDelegate>

One controller to implement them all seems ridiculous, but they aren’t being used anywhere else. Should these be in their own classes or in the view controller?

Answer 1

You could add categories to ABCViewController, like this:

1. Move any declarations in ABCViewController.m into a private category in ABCViewController.h

// in ABCViewController.h
@interface ABCViewController : UIViewController <delegates>
// anything that's in the _public_ interface of this class.
@end

@interface ABCViewController ()
// anything that's _private_ to this class.  Anything you had defined in the .m previously
@end

2. ABCViewController.m should include that .h.

3. Then in ABCViewController+SomeDelegate.h and .m

// in ABCViewController+SomeDelegate.h
@interface ABCViewController (SomeDelegateMethods)

@end

// in ABCViewController+SomeDelegate.m
#import "ABCViewController+SomeDelegate.h"
#import "ABCViewController.h"  // here's how will get access to the private implementation, like the _fetchedResultsController

@implementation ABCViewController (SomeDelegateMethods)

// yada yada

@end